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decline

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de clin e
向下

biodegradable = bio(生物) + de(向下) + grad(级别) + able(能…的) = 生物上可以向下降级的→可生物降解的

deduce = de(向下) + duce(引进去) = 向下拉引→推论

+ 倾斜

inclination = in(进入) + clin(倾斜) + ation(表结果) = 进入斜坡→偏向,喜爱

recline = re(向后) + clin(倾斜) + e(动词后缀) = 躺;靠;斜倚

+ 名词后缀

amuse = a(动词) + mus(娱乐) + e(名词后缀) = 逗乐

antidote = anti(反抗) + dot(给) + e(名词后缀) = 说出来未反抗的故事→解药,方法

向下倾斜→减少;下降

[diˈklaɪn]
考点解读
  • 托福
  • 雅思
  • Official词频:65 核心词 高频词

    decline

    常考释义

    • n. 下降;减少
    变形词
    • 过去式 declined
    • 过去分词 declined
    • 第三人称单数 declines
    • 复数 declines
    • 现在分词 declining
    托福常考例句

    Now it's long been thought that during the PostClassic period, Mayan civilization was in decline.

    很久以来,人们认为在后古典时期,玛雅文明开始进入了衰退期。

    来源于:听力OFFICIAL52 L4
单词详解
  • 英汉双解
  • 同反义词
    • n. 下降;减少

      展开
      简明例句

      There wasn't such a big decline in enrolments after all.

      注册人数最后没有大量减少。

      Cheque use is on the decline among personal bank customers.

      银行个人客户对支票的使用越来越少。

      Beer sales are in decline.

      啤酒销量在下降。

      展开更多
      情景例句

      There's been a radical decline in the incidence of syphilis.

      这些事件使梅毒的发生率显著降低。

      来自《1600年后西方社会的流行病第12集》

      图片源自网络

      展开更多
      托福考试例句

      The greater reliability of food supplies was a factor in the decline of urban death rates.

      粮食供应的可靠性是城市人口死亡率下降的一个因素。

      来源于:阅读OFFICIAL51 P3

      Following a decline to a relatively low population level in the 1930s, raccoons began to prosper following their 1943 breeding season.

      在二十世纪三十年代,浣熊的数量跌倒了一个相对低点,1943年它们的繁殖季之后,浣熊的数量又开始发展壮大。

      来源于:阅读OFFICIAL38 P2

      Before about 1975, 90 percent of the moths were dark, but since then there has been a steep decline in melanic forms, and in 1989 only 29.6 percent of the moths caught were melanic.

      在1975年以前,他捕获的桦尺蠖里百分之九十都是黑色的,但是从1975年开始,黑色桦尺蠖的数量突然急剧下跌。到1989年,只有百分之29.6的桦尺蠖是黑色的了。

      来源于:阅读OFFICIAL36 P3

      This period was followed by a time of decline in the Maori population and a societal transition to smaller, less numerous settlements.

      这段时间之后,毛利人口数量减少,聚居区变得更小,人数也更少了。

      来源于:阅读OFFICIAL39 P2

      The apparent decline fits the pattern expected as a consequence of the Maori's overexploitation of moa.

      这一变化正是毛利人过量捕杀恐鸟的后果。

      来源于:阅读OFFICIAL39 P2

      For these reasons, it is hard to determine the likelihood that introduced disease organisms were a cause of the decline of moa, but they are potentially significant.

      因为这些原因,很难判定致病有机体的引入是导致恐鸟数量下降的原因,但是这的确是个潜在的重要因素。

      来源于:阅读OFFICIAL39 P2

      I thought the Permian Extinction was caused by a decline in sea water oxygen levels.

      我以为二叠纪大灭绝是由海水氧气含量降低导致的。

      来源于:听力OFFICIAL35 L6

      The transition between the Ming and Qing dynasties (the seventeenth century) may have seen a decline, but from 1741 to 1851 the annual figures rose steadily and spectacularly, perhaps beginning with 143 million and ending with 432 million.

      明清之交(十七世纪)人口数量可能有所减少,但从1741年到1851年,人口数量每年都稳步上升,从1亿4300万涨到了4亿3200万,相当惊人。

      来源于:阅读OFFICIAL48 P1

      Many prehistorians believe that farming may have emerged in dependently in several different areas of the world when small communities, driven by increasing population and a decline in available food resources, began to plant seeds in the ground in an effort to guarantee their survival.

      很多史前学家认为农业可能是当小型群落迫于不断增长人口和日益减少的食物资源压力而开始在地里种植种子试图维持他们的生计时,进而在世界不同区域独自兴起的。

      来源于:阅读OFFICIAL33 P1

      The article mentioned that populations of predators and their prey might go up rapidly and then decline all of a sudden.

      这篇文章提到了捕食者和他们的食饵的数量可能会急剧上升,然后突然下降。

      来源于:听力OFFICIAL32 L3

      Like you said, a rapid population growth is often followed by a sudden decline.

      就像你说的,在一个快速的增长之后常常是突然的下降。

      来源于:听力OFFICIAL32 L3

      In the forest areas where extra acorns had been dropped, the gypsy moth population soon went into a significant decline.

      放了额外的橡子的森林区域,舞毒蛾的数量很快就大量减少。

      来源于:听力OFFICIAL32 L3

      So depleting the number of lobsters, for example, means that we are adding to the threat of coral decline.

      所以,比如,减少龙虾的数量,意味着增加了珊瑚减少的威胁。

      来源于:听力OFFICIAL27 L2

      Lower birth rates, low juvenile survivorship, and low growth rates follow, so there is a corresponding decline in hare abundance.

      随之而来的是低生育率,低成活率,低生长率,所以野兔数量随之减少。

      来源于:阅读OFFICIAL27 P3

      This facility was then in its third decade of production and was beginning to show signs of decline, perhaps because of over development.

      当时该电厂已经有三十个年头了,开始显示出发电量下降的迹象,这可能是由于过度的开发所致。

      来源于:阅读OFFICIAL21 P1

      The reduced level of photosynthesis led to a massive decline in plant life of all kinds, and this caused massive starvation first of herbivores and subsequently of carnivores.

      光合作用减弱会造成各种植物的生命大规模下降。这首先会造成草食动物大规模饿死,接着就是肉食动物大规模饿死。

      来源于:阅读OFFICIAL15 P2

      The first is the habituation-dishabituation technique, in which a single stimulus is presented repeatedly to the infant until there is a measurable decline (habituation) in whatever attending behavior is being observed.

      第一种是习惯与非习惯技术:给婴儿反复展示一种单一的刺激,直到观察到婴儿对这一刺激形成习惯并出现可测量的减弱(习惯性)。

      来源于:阅读OFFICIAL13 P3

      That should help us determine how to prevent further decline in the population.

      这样能帮助我们决定如何防止蜂鸟数量进一步的减少。

      来源于:听力OFFICIAL3 L2

      Despite significant numbers being harvested and having suffered occasional declines, typically because of disease, the raccoon has consistently maintained high population levels.

      尽管浣熊的数量收获了大幅增长,有时候会因为疾病有偶然性的下滑,浣熊的数量一直保持着较高水平。

      来源于:阅读OFFICIAL38 P2
      展开更多
    • n. 衰退;衰落

      展开
      简明例句

      The first signs of economic decline became visible.

      经济衰退的最初征兆开始显现。

      The economy is in decline.

      经济正处于衰退状态。

      The shipbuilding industry has fallen into decline.

      造船业已经日薄西山。

      展开更多
      托福考试例句

      Now it's long been thought that during the PostClassic period, Mayan civilization was in decline.

      很久以来,人们认为在后古典时期,玛雅文明开始进入了衰退期。

      来源于:听力OFFICIAL52 L6

      As I said, most people considered the Postclassic period as a time of decline that came after the so-called golden era.

      正如我所说的,大部分人会把后古典时期当作黄金期结束后的衰退期。

      来源于:听力OFFICIAL52 L6

      This decline can be seen clearly in the changes that affected Venetian shipping and trade.

      这一衰退很明显地体现在影响威尼斯的航运以及贸易的变化上。

      来源于:阅读OFFICIAL25 P2
      展开更多
    • vi. 减少;下降

      展开
      简明例句

      The number of staff has declined from 217,000 to 114,000.

      员工人数从21.7万人降到了11.4万人。

      The population has declined dramatically.

      人口数急剧减少。

      Rewards are declining.

      报酬正在减少。

      Standards are declining.

      标准正在下降。

      展开更多
      托福考试例句

      Urban death rates remained high, particularly in the lower-class slums, but they began to decline rapidly.

      城市的人口死亡率仍然很高,特别是在下层贫民区,但是人口死亡率开始迅速下降。

      来源于:阅读OFFICIAL51 P3

      Your brain's ability to absorb information starts to decline after about the first hour.

      你的大脑吸收知识的能力在学习一个小时之后就会减弱。

      来源于:听力OFFICIAL15 L4

      Translocation clearly has a role in the recovery of species that have substantially declined and is the most likely method by which many sedentary species can recover all or part of their former range.

      物种迁移在经历过大量减少的物种中起到重要的帮助恢复作用,它还是可以帮助很多定居的物种完全或者部分恢复原有规模的最有效办法。

      来源于:阅读OFFICIAL37 P2

      Once the hare population has declined, it takes two to three year for the quantity of twigs to recover.

      一旦野兔数量减少,树枝的数量需要两到三年恢复。

      来源于:阅读OFFICIAL27 P3

      A contemporary of Shakespeare (1564- observed that the productivity of Italian shipping had declined, compared with that of the British, because of conservatism and loss of expertise.

      在莎士比亚时代(1564~1616),相比较英国,意大利航运业生产力已经在下降了,这是因为意大利的航运业过于守旧并且缺乏专业技术所致。

      来源于:阅读OFFICIAL25 P2

      After the canal went into operation, the cost per mile of transporting a ton of freight from Buffalo to New York City declined from nearly 20 cents to less than 1 cent.

      运河投入运营后,从布法罗(“水牛城”)向纽约运输一吨货物的成本从每英里20美分下降到了不到1美分。

      来源于:阅读OFFICIAL20 P1

      Um…we…there’s some indications to suggest that the population of the Nightcap Oak has not declined over the last. er…you know, many hundreds of years.

      部分证据显示,夜冠橡树的数量在过去的数百年内都未发生明显减少。

      来源于:听力OFFICIAL6 L3

      No doubt the numbers of deer declined still further.

      毋庸置疑,鹿群的数量进一步减少。

      来源于:阅读OFFICIAL4 P1

      Yes. Well, like in the 1970s, when it was already clear the North American cod population was declining dramatically, the US and Canada declared a 200-mile exclusive economic zone in the waters around Cape Cod.

      是的,就像1970s,那时候北美鳕鱼数量已经明显下降,美国和加拿大声明在鳕鱼角周边规划一个200英里的独立经济区。

      来源于:听力OFFICIAL40 L3

      We've gone over where coral reefs are usually formed – along the edges of shallow ocean banks in tropical or subtropical regions, and the fact that they are declining at an alarming rate.

      我们已经重温了珊瑚礁通常在哪里形成——沿着热带或者亚热带地区的浅海岸边,以及它们正以惊人的速度锐减。

      来源于:听力OFFICIAL27 L2

      In places, the water table is declining at a rate of a meter a year, necessitating the periodic deepening of wells and the use of ever-more-powerful pumps.

      有的地方地下水位的下降速度甚至达到了每年1米,迫使人们周期性的加深水井并使用更有力的水泵。按现今的下降速度来估计,大部分地下蓄水将在40年内耗尽。

      来源于:阅读OFFICIAL3 P2
      展开更多
    • vi. 拒绝;婉拒

      展开
      简明例句

      He offered the boys some coffee. They declined politely.

      他给男孩们拿了一些咖啡,但他们礼貌地拒绝了。

      The band declined to comment on the story.

      乐队婉言拒绝评论此事。

      展开更多
      情景例句

      No Vulcan has ever declined admission to this Academy.

      还从来没有瓦肯人拒绝进入这所学院。

      来自《星际迷航11》

      图片源自网络

      展开更多
    • vi. 衰退;恶化

      展开
      简明例句

      Her health declined rapidly after her stroke.

      中风之后,她的健康状况迅速恶化。

      展开更多
      托福考试例句

      Venetian shipping had started to decline from about 1530-before the entry into the Mediterranean of large volumes of Dutch and British shipping-and was clearly outclassed by the end of the century.

      威尼斯航运业的衰退是从大约1530年开始的——在大量荷兰和英国船只进入地中海之前——并且在16世纪末期明显被超越了。

      来源于:阅读OFFICIAL25 P2

      The philosopher Aristotle (384-322 B.C.), who lived at a time when the city-state system was declining, believed that a political entity of 100,000 simply would not be able to govern itself.

      生活在城邦制度衰落时期的哲学家亚里士多德(公元前384-322)认为一个政治实体若是有100000人,那根本就无法自治。

      来源于:阅读OFFICIAL43 P1
      展开更多
    • n. 消耗病;痨病<古>

      展开
      简明例句

      Presently she fell into a decline and died.

      不久,她染上了痨病,最终过世了。

      展开更多
    • vt. 拒绝;婉拒

      展开
      简明例句

      I politely declined his invitation.

      我礼貌地谢绝了他的邀请。

      Lorna had declined the offer of antidepressants.

      洛娜拒绝服用抗抑郁药物。

      展开更多
    • vi. 下倾;倾斜

      展开
      简明例句

      This vast plateau gently declines towards the ancient city of Balkh.

      这片广袤高原向巴尔赫古城方向地势逐渐下降。

      展开更多
    • n. 斜坡

    • vt. 列出…的变格【语法】

    • vi. 变格【语法】

  • 同义词

    vt.(商业或经济的)衰退,衰落,下滑; 倾斜; 拒绝接受; 使变得更坏;使恶化;

    反义词

    n. 接受;收受; 增加,增长;

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